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JPL Small-Body Database Browser
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452157 (2015 RJ53)
Classification: Main-belt Asteroid          SPK-ID: 2452157
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1061709288651655 1.4844e-07  
a 2.902838454910372 6.3252e-08 au
q 2.594641399807016 4.1649e-07 au
i 6.677615182649359 1.3747e-05 deg
node 201.8937810689109 5.4824e-05 deg
peri 155.2664322869678 7.1706e-05 deg
M 267.1484082405946 4.2526e-05 deg
tp 2459066.428826846233
(2020-Aug-04.92882685)
0.00022046 TDB
period 1806.478214172924
4.95
5.9044e-05
1.617e-07
d
yr
n .1992827797067135 6.5134e-09 deg/d
Q 3.211035510013728 6.9967e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      4584 days (12.55 yr)  
   first obs. used      2005-08-29  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55651  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:48:29  

Additional Information
 Earth MOID = 1.5919 au 
 Jupiter MOID = 2.25559 au 
 T_jup = 3.268 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457080.5 (2015-Feb-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1085231873412125 1.4963e-07  
q 2.584706483019932 4.2163e-07 au
tp 2457265.140454495805
(2015-Aug-30.64045450)
0.00019184 TDB
node 201.9316455725765 5.4741e-05 deg
peri 155.8274036592179 7.0695e-05 deg
i 6.684414453527358 1.3769e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      4584 days (12.55 yr)  
   first obs. used      2005-08-29  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55651  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-15 06:48:29  

Additional Information
 Jupiter MOID = 2.25559 au 
 T_jup = 3.268 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.238793524870423E-14 -6.258227071747619E-14 1.653607242502567E-11 -1.139356322666656E-13 3.990261877251331E-12 8.929818738845205E-15
q -6.258227071747619E-14 1.777687937518156E-13 -4.559716041994739E-11 3.132650286373225E-13 -1.10852962479797E-11 -2.182865723639604E-14
tp 1.653607242502567E-11 -4.559716041994739E-11 3.680210292603792E-8 -1.481229510417912E-10 8.608026548658344E-9 2.920333354328596E-11
node -1.139356322666656E-13 3.132650286373225E-13 -1.481229510417912E-10 2.9965363781971E-9 -3.009332951393038E-9 -3.174692071309913E-10
peri 3.990261877251331E-12 -1.10852962479797E-11 8.608026548658344E-9 -3.009332951393038E-9 4.997849754873682E-9 3.218669354504933E-10
i 8.929818738845205E-15 -2.182865723639604E-14 2.920333354328596E-11 -3.174692071309913E-10 3.218669354504933E-10 1.895857089434589E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO440874  

452157 (2015 RJ53)          Discovered 2005-Aug-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-11-30

Alternate Designations
 2015 RJ53 = 2010 RM149 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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